- Kindred Hospital Seattle - First Hill
- Kittitas Valley Healthcare
- Klickitat Valley Hospital
- Lake Chelan Health
- Legacy Salmon Creek Medical Center
- Lincoln Hospital
- Lourdes Counseling Center
- Lourdes Health
- Mason Health
- Mid-Valley Hospital
- MultiCare Allenmore Hospital
- MultiCare Auburn Medical Center
- MultiCare Capital Medical Center
- MultiCare Covington Medical Center
- MultiCare Deaconess Hospital
- MultiCare Good Samaritan Hospital
- MultiCare Tacoma General Hospital
- MultiCare Valley Hospital
- MultiCare Yakima Memorial
- Navos West Seattle Campus
- Newport Hospital and Health Services
- North Valley Hospital
- Ocean Beach Hospital
- Odessa Memorial Healthcare Center
- Olympic Medical Center
- Othello Community Hospital
- Overlake Medical Center & Clinics
- PeaceHealth Peace Island Medical Center
- PeaceHealth Southwest Medical Center
- PeaceHealth St John Medical Center